Friday, November 6, 2026

IBM QRadar SIEM Vulnerability Enables XSS Attack and Information Disclosure

IBM QRadar is a popular SIEM (Security Incident and Event Management) tool organizations use to detect and monitor threats.

The IBM QRadar SIEM can be used in the form of a physical appliance, a software-only solution, or a virtual appliance.

As of 2023, It is being used by over 1130 companies worldwide as part of their SIEM.

IBM discovered three new vulnerabilities in the IBM SIEM and CVEs, and necessary fixes were also released.

These vulnerabilities were related to Cryptography, XSS, and information disclosure which was discovered by IBM’s Security Ethical Hacking team.

IBM QRadar SIEM Flaw

CVE-2023-26276: Weak Cryptographic Algorithm

This vulnerability exists due to the use of a weaker or expected cryptographic algorithm in the QRadar tool, which could allow a threat actor to decrypt highly sensitive information.

This vulnerability was given a CVSS Score of 5.9 (medium)

CVE-2023-26274: Cross-Site Scripting (XSS)

An attacker can exploit this vulnerability to embed arbitrary JS code in the Web UI that can alter the functionality that can lead to credentials disclosure through XSS on a trusted session.

This vulnerability was given a CVSS Score of 4.6 (medium).

CVE-2022-34352: Information Disclosure

This vulnerability allows a delegated Admin tenant with a specific domain security profile to see other domain data.

This vulnerability was given a CVSS Score of 6.5 (medium).

Affected Products

Affected Product(s)Version(s)
IBM QRadar SIEM7.5.0 – 7.5.0 UP5

Remediation and Fix

ProductVersionRemediation/First Fix
IBM QRadar SIEM7.5.0 7.5.0 UP6

There are no workarounds or mitigations available. IBM recommended all its users patch their IBM QRadar SIEM by upgrading it to the latest version.

“AI-based email security measures Protect your business From Email Threats!” – .

Gurubaran
Gurubaran
Gurubaran is a co-founder of Cyber Security News and GBHackers On Security. He has 10+ years of experience as a Security Consultant, Editor, and Analyst in cybersecurity, technology, and communications.

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